Synthesis of Indeno[1,2-<i>c</i>]furans via Cobalt-Catalyzed Radical–Polar Crossover [3 + 2] Cycloaddition of <i>o</i>-Alkynylaryl β-Dicarbonyls
作者:Guo-Cai Yuan、Peng Guo、Zhi-Hua Wang、Lingyun Zhu、Xinglei He、Yuanming Li、Ke-Yin Ye
DOI:10.1021/acs.orglett.2c03297
日期:2022.11.11
Fused polycyclic furans are privileged structural scaffolds in materials chemistry, including organic semiconductors. Specifically, indeno[1,2-c]furans are an interesting type of polycyclic furans featuring a fused furan and indenone framework. Unfortunately, limited studies on their photophysical properties have been performed, probably owing to the lack of efficient and straightforward approaches
稠合多环呋喃是材料化学(包括有机半导体)中的特殊结构支架。具体来说,茚并[1,2- c ]呋喃是一种有趣的多环呋喃,具有稠合呋喃和茚酮骨架。不幸的是,对其光物理性质的研究有限,这可能是由于缺乏对这些化合物的有效和直接的方法。在此,我们开发了一种钴催化的自由基-极性交叉环化反应,使现成的o-炔基芳基 β-羰基化合物能够提供多种茚并 [1,2- c ] 呋喃。还进行了光物理和 DFT 计算,表明获得的 Indeno[1,2- c]呋喃表现出有前途的电子和光学特性。